12 years after the project was conceived, and after a long period in which it was useable though incomplete, FreeDOS has reached version 1.0. The ISO is downloadable at SourceForge. Versions with more extras should be available soon, as should a mail-order option.

"This is an example of why open source projects and free software in general isn't adopted on mass by businesses."
If you've ever bought a Dell with Windows pre-loaded on the hard drive and investigated the partitioning of the drive, you'd see the first partition (for diagnostics) has a bootable version of...(wait for it)...FreeDOS.